... PHPA is water soluble polymer, with different molecular weight and with a moderate anionic charge for drillingmudadditive. It is a co-polymer of anionic character and high molecular weight. It is a water-soluble...

....com/Chinafloc-Oil-Drilling-Mud-Additives-PAM-9003-05-8-_906.html): In oil exploitation, polyacrylamide is mainly used for drillingmud as well as Enhanced Oil Recovery, etc., which is widely used in drilling, completion, cementing...

DESCRIPTION This product is in form of black powder. It is water-soluble and a type of poly-anionic modified sulfated asphalt. It can block stratum cracks, prevent shale collapse and inhibit shale hydration. Meanwhile it has better performance in high ...